Calibration and Test Box for Normal Resistivities, SP, and Induced Polarization “17-202-060, Disposable, molded PVC centralizer for 40 mm diameter probe, 83mm (3.3″) diameter boreholes” has been added to your cart. View cart $790.00 Calibration and Test Box for Normal Resistivities, SP, and Induced Polarization quantity Add to cart SKU: 17-202-096 Categories: All Products, Logging Accessories Description Additional information Description 17-202-096 Calibration and Test Box for Normal Resistivities, SP, and Induced Polarization Additional information Weight 8 lbs Related products 203 mm (8 inch) Centralizer Blade $82.80 Add to cart 17-202-053, Disposable, molded PVC centralizer for 40 mm diameter probe, 52mm (2.0″) diameter boreholes $80.00 Add to cart 02000-1627, Rehead Clamp Block 3/16 to 1/4 inch diameter cable $43.00 Add to cart 21-808-522, Boot and Socket Kit for 1/8 in. single conductor cable $65.00 Add to cart